Ilardi David S. 4/A

What Happened
David S. Ilardi, Senior Vice President — Allegion Americas, had 157 shares withheld by Allegion to cover tax withholding obligations upon the vesting of restricted stock units. The withholding occurred on February 24, 2026 at $160.16 per share, for a disposition value of $25,145. The transaction is coded F (payment of exercise price or tax liability). This filing is an amendment correcting the previously reported withholding amount.

Key Details

• Transaction date: February 24, 2026
• Filing (amendment) date: February 26, 2026
• Shares withheld/disposed: 157
• Price per share: $160.16
• Total value of disposition: $25,145
• Transaction code: F (tax withholding/payment of exercise price or tax liability)
• Footnote: A prior Form 4 incorrectly reported 240 shares withheld; this amended filing corrects the number to 157.
• Shares owned after transaction: Not provided in the supplied excerpt.
• Timeliness: This is an amended Form 4 to correct the withholding amount; the amendment does not allege a late reporting penalty.

Context
This was a tax-withholding disposition related to RSU vesting (a routine administrative action), not an open-market sale or purchase. Such withholdings are common and are used to satisfy tax obligations rather than to signal insider trading intent.